35%bamboo viscose + 58%acrylic + 7%spandex

ULTRA SOFT & WARMTH: Bamboo viscose fabric caresses the skin more naturally,providing more comfort and softness than cotton.These men's thermal underwear leggings are suitable for cold temperatures when more warmth is required. Thickened brushed fabric lined is suitable for winter sports in the snow.

STRETCHABLE AND DURABILITY: Spandex added for extra stretch and shape retention.These thermal pants for men have a four-way stretch design so you can move freely without any restriction on your mobility as the fabric stretches with you.

EFFICIENT DESIGN: Functional fly on thermal pants provides more convenience for daily life.Elastic waistband brings a comfortable and adjustable fit.Tagless labels is non-irritating.

VERSATILE PERFORMANCE: The thermal underwear bottoms with ultra soft hand feel and heat-retention is a perfect option during various indoor activities, outdoor excursion and recreational activities.

TANBOOCEL Bamboo Men's Thermal Underwear Pants Base Layer Bottoms Long Johns